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Circle Seal 233B-4PP Check Valve 1/2 inch Female NPT - 2 to 4 PSIG Cracking Pressure - Brass

SKU: 233B-4PP Rate this product

List Price: $90.95


Availability: Usually ships 13 weeks after receipt of order

Restrictions / Notifications

  • This item cannot be cancelled or returned once an order has been placed.

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  • Quick Opening/Positive Closing - Provides a wide range of adaptability
  • Large Flow Capacity - Patented sealing principle effects complete leakproof closing under all pressure conditions
  • Zero Leakage - Compact, easy installation. Efficient inline piston reduces size and weight
  • Floating O-Ring - The streamlined poppet and full ports offer minimum restriction to flow


  • Series 200 Check Valve
  • O-Ring Material: Neoprene
  • Operating Temperature: −40° F to +300° F
  • Cracking Pressure: 2 to 4 PSIG
  • Body Material: Brass
  • Connection Size: 1/2 inch
  • End Connections: Female NPT
  • Weight: 0.92 lbs
  • Cv (nominal): 6.6

Circle Seal 233B-4PP Female Pipe 1/2 inch Check Valves is absolutely bubble tight in leakage tests. No Leakage whatsoever at any Differential Pressure. This check valve has a Quick Opening - Positive Closing, even at extremely low pressure differential. p>


Additional Information

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Brand Circle Seal
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